D.I.D. ER Series 420NZ3

D.I.D. Chain is used by the factory race teams of the big four and is the No.1 chain manufactured in the world. Designed exclusively for motorcycle racing, this high performance, light weight chain provides the winning edge in World Class Competition. Solid rollers. Shot peened parts. High cylindrical and roundness accuracy. Exacting tolerances provide low friction. Pre-stretched, extended, riveted bushing "Anti-Kink" design. Special alloy steel.